string theory

Arizona PBS Horizon Interview

Arizona PBS Horizon

A discussion of Pluto, life int he universe, Carl Sagan, and science literacy.

Cosmic Quandaries

Cosmic Quandaries

An hour and a half discussion about the universe, how Hollywood treats science in film, and other cosmic questions.

Commonwealth Club of California Science Talk

Commonwealth Club Talk

A talk on Death By Black Hole which touches on a variety of issues in astrophysics and space exploration.

NOVA's The Elegant Universe: String Theory

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Commenting on NOVA's The Elegant Universe on string theory and its relevance to modern physics.

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